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102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2023 nghttp2 contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "nghttp2_ratelim_test.h"
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#include <stdio.h>
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#include <CUnit/CUnit.h>
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#include "nghttp2_ratelim.h"
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void test_nghttp2_ratelim_update(void) {
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nghttp2_ratelim rl;
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nghttp2_ratelim_init(&rl, 1000, 21);
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CU_ASSERT(1000 == rl.val);
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CU_ASSERT(1000 == rl.burst);
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CU_ASSERT(21 == rl.rate);
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CU_ASSERT(0 == rl.tstamp);
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nghttp2_ratelim_update(&rl, 999);
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CU_ASSERT(1000 == rl.val);
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CU_ASSERT(999 == rl.tstamp);
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nghttp2_ratelim_drain(&rl, 100);
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CU_ASSERT(900 == rl.val);
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nghttp2_ratelim_update(&rl, 1000);
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CU_ASSERT(921 == rl.val);
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nghttp2_ratelim_update(&rl, 1002);
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CU_ASSERT(963 == rl.val);
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nghttp2_ratelim_update(&rl, 1004);
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CU_ASSERT(1000 == rl.val);
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CU_ASSERT(1004 == rl.tstamp);
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/* timer skew */
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nghttp2_ratelim_init(&rl, 1000, 21);
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nghttp2_ratelim_update(&rl, 1);
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CU_ASSERT(1000 == rl.val);
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nghttp2_ratelim_update(&rl, 0);
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CU_ASSERT(1000 == rl.val);
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/* rate * duration overflow */
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nghttp2_ratelim_init(&rl, 1000, 100);
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nghttp2_ratelim_drain(&rl, 999);
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CU_ASSERT(1 == rl.val);
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nghttp2_ratelim_update(&rl, UINT64_MAX);
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CU_ASSERT(1000 == rl.val);
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/* val + rate * duration overflow */
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nghttp2_ratelim_init(&rl, UINT64_MAX - 1, 2);
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nghttp2_ratelim_update(&rl, 1);
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CU_ASSERT(UINT64_MAX - 1 == rl.val);
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}
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void test_nghttp2_ratelim_drain(void) {
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nghttp2_ratelim rl;
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nghttp2_ratelim_init(&rl, 100, 7);
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CU_ASSERT(-1 == nghttp2_ratelim_drain(&rl, 101));
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CU_ASSERT(0 == nghttp2_ratelim_drain(&rl, 51));
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CU_ASSERT(0 == nghttp2_ratelim_drain(&rl, 49));
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CU_ASSERT(-1 == nghttp2_ratelim_drain(&rl, 1));
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}
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